A "dangerous" man has been jailed for life for stabbing his ex-partner to death after stalking her with a tracker in their young daughter's scooter. Yurii Muzyka, 34, was subject to a non-molestation order when he forced his way into 29-year-old Halyna Hoisan's flat in Greenwich, south London, on August 27. Undeterred by the presence of their three-year-old daughter, Muzyka stabbed her six times in the chest. He then took photographs of Ms Hoisan as she lay dying before plunging the knife into